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Artist’s conception highlighting key features of electron behavior in bulk sodium bismuth (Na3Bi) and cadmium arsenic (Cd3As2).February 2015Science Highlights

Electrons Move Like Light in Three-Dimensional Solid

Tracking electronic motion in a graphene-like bulk material shows fast electrons in all dimensions. Read More »

The magnetic coercivity, the resistance to change in the orientation of the magnetic domain structure, for nickel (Ni) was shown to strongly depend on the crystal structure of the underlying oxide (vanadium oxide, V2O3).February 2015Science Highlights

Giant Magnetic Effects Induced in Hybrid Materials

Magnetic property changes by several hundred percent over a narrow temperature range. Read More »

Scanning electron micrograph (top) shows the arrangement of iron-nickel nanomagnets for the newly developed “shakti” artificial spin ice lattice...February 2015Science Highlights

Artificial Spin Ice - A New Playground to Better Understand Magnetism

Experiments using novel magnetic nanostructures confirm theoretically predicted behavior – bolstering their utility as a tool for understanding complex magnetic materials. Read More »

Neutron diffraction data of barium iron arsenide with sodium ions substituted onto 24 percent of the barium sites (doping) showed evidence for a new magnetic phase in iron-based superconductors. February 2015Science Highlights

New Magnetic Phase Confirms Theoretical Predictions Related to Unconventional Superconductivity

Scientists uncover the microscopic origin of a magnetic phase in iron-based superconductors. Read More »

Scanning tunneling microscopy image shows a variable width graphene nanoribbon. Atoms are visible as individual “bumps.”February 2015Science Highlights

For “Ribbons” of Graphene, Width Matters

Thin widths change a high-performance electrical conductor into a semiconductor. Read More »

Crystal structure of the parent compound of a calcium-strontium-based cuprate superconductor [(Ca/Sr)2CuO3]...February 2015Science Highlights

Predicting Magnetic Behavior in Copper Oxide Superconductors

New theoretical techniques predict experimental observations in superconducting materials. Read More »

Top view (left) and side view (right), illustrating the porous and layered structure of a highly conductive powder (Ni3(HITP)2), precursor to a new, tunable graphene analog.February 2015Science Highlights

Towards a Tunable Graphene-like Two-Dimensional Material

Researchers have created a porous, layered material that can serve as a graphene analog, and which may be a tool for storing energy and investigating the physics of unusual materials. Read More »

Oxygen ions can zigzag or take a circular route (red arrows) through this metal oxide crystal made of strontium (green), chromium (blue), oxygen (red) atoms...February 2015Science Highlights

Bringing Order to Defects - Making Way for Oxygen to Move

New metal oxide material works at temperatures low enough to improve fuel cell efficiency. Read More »

Nanobionic Leaf: DNA-coated carbon nanotubes (top) incorporated inside chloroplasts in the leaves of living plants (middle) boost plant photosynthesis.January 2015Science Highlights

Nanobionics Supercharge Photosynthesis

Carbon nanotubes and inorganic nanoparticles enhance photosynthetic activity and stability. Read More »

Arrays of nanoribbons of lead zirconate titanate (gold, bottom) on a sheet of flexible polymer (brown) produce current pulses during each heartbeat.January 2015Science Highlights

Power from the Heart

Advances in materials processing enable harvesting of energy from heartbeats. Read More »